Finding the Fourth Proportional to 3,405,429.36, 4,699,524.24 and 1,877,590.80
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Solution
The fourth proportional to 3,405,429.36, 4,699,524.24 and 1,877,590.80 is: 2,591,092.79
Step by Step Solution
- Step 1: Write the proportion equation
3,405,429.36 : 4,699,524.24 = 1,877,590.80 : x - Step 2: Convert to fraction form
3,405,429.36/4,699,524.24 = 1,877,590.80/x - Step 3: Cross multiply
3,405,429.36x = 4,699,524.24 × 1,877,590.80 - Step 4: Simplify right side
3,405,429.36x = 8,823,783,477,400.99 - Step 5: Solve for x
x = 8,823,783,477,400.99/3,405,429.36 - Step 6: Final answer
x = 2,591,092.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.